diff --git a/core/module/course/course.php b/core/module/course/course.php
index 9b753fc..8688b27 100644
--- a/core/module/course/course.php
+++ b/core/module/course/course.php
@@ -646,7 +646,7 @@ class course extends common
                 $userId,
                 $this->getData(['user', $userId, 'firstname']),
                 $this->getData(['user', $userId, 'lastname']),
-                template::checkbox('courseUserSelect' . $userId , true, '')
+                template::checkbox('courseUserSelect' . $userId , true, '', ['class' => 'checkboxSelect'])
             ];
 
         }
@@ -699,7 +699,7 @@ class course extends common
                 $userId,
                 $this->getData(['user', $userId, 'firstname']),
                 $this->getData(['user', $userId, 'lastname']),
-                template::checkbox('courseUserSelect' . $userId , true, '')
+                template::checkbox('courseUserSelect' . $userId , true, '', ['class' => 'checkboxSelect'])
             ];
 
         }
diff --git a/core/module/course/view/usersAdd/usersAdd.js.php b/core/module/course/view/usersAdd/usersAdd.js.php
index 19d67c5..95cd1f0 100644
--- a/core/module/course/view/usersAdd/usersAdd.js.php
+++ b/core/module/course/view/usersAdd/usersAdd.js.php
@@ -13,9 +13,11 @@
 
 $(document).ready((function () {
     $("#courseFilterGroup, #courseFilterFirstName, #courseFilterLastName").change(function () {
-        $("#courseUsersAddForm").submit();
+        saveCheckboxState();
+        $("#courseUsersFilterForm").submit();
+
     });
-    $('#dataTables').DataTable({
+    var table = $('#dataTables').DataTable({
         language: {
             url: "core/vendor/datatables/french.json"
         },
@@ -28,4 +30,36 @@ $(document).ready((function () {
             }
         ]
     });
+
+    // Handle checkbox state on DataTables draw event
+    table.on('draw', function () {
+        // Restore checkbox state from cookies or local storage
+        restoreCheckboxState();
+    });
+
+
+    // Function to save checkbox state
+    function saveCheckboxState() {
+        var checkboxState = [];
+        $('.checkboxSelect').each(function () {
+            checkboxState.push({
+                'rowIndex': $(this).closest('tr').index(),
+                'checked': $(this).prop('checked')
+            });
+        });
+        // Use cookies or local storage to store checkbox state
+        localStorage.setItem('checkboxState', JSON.stringify(checkboxState));
+    }
+
+    // Function to restore checkbox state
+    function restoreCheckboxState() {
+        var checkboxState = JSON.parse(localStorage.getItem('checkboxState')) || [];
+        checkboxState.forEach(function (item) {
+            var rowIndex = item.rowIndex;
+            var checked = item.checked;
+            // Update checkbox state based on stored information
+            $('#example tbody tr:eq(' + rowIndex + ') .checkboxSelect').prop('checked', checked);
+        });
+    }
+
 }));
\ No newline at end of file
diff --git a/core/module/course/view/usersAdd/usersAdd.php b/core/module/course/view/usersAdd/usersAdd.php
index 79dcd4e..a904f0d 100644
--- a/core/module/course/view/usersAdd/usersAdd.php
+++ b/core/module/course/view/usersAdd/usersAdd.php
@@ -1,4 +1,4 @@
-<?php echo template::formOpen('courseUsersAddForm'); ?>
+<?php echo template::formOpen('courseUsersFilterForm'); ?>
 <div class="row">
     <div class="col1">
         <?php echo template::button('courseUserAddBack', [